Home / 13,485,981.60-20,247,634.80-10,649,296.80

Finding the Fourth Proportional to 13,485,981.60, 20,247,634.80 and 10,649,296.80

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Solution

The fourth proportional to 13,485,981.60, 20,247,634.80 and 10,649,296.80 is: 15,988,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485,981.60 : 20,247,634.80 = 10,649,296.80 : x
  2. Step 2: Convert to fraction form
    13,485,981.60/20,247,634.80 = 10,649,296.80/x
  3. Step 3: Cross multiply
    13,485,981.60x = 20,247,634.80 × 10,649,296.80
  4. Step 4: Simplify right side
    13,485,981.60x = 215,623,072,483,208.66
  5. Step 5: Solve for x
    x = 215,623,072,483,208.66/13,485,981.60
  6. Step 6: Final answer
    x = 15,988,682.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.